Table of Contents
System module block diagram .............................................................................................................................6–5
Baseband description ............................................................................................................................................6–6
Functional description......................................................................................................................................6–6
UPP .....................................................................................................................................................................6–6
Memory ..............................................................................................................................................................6–6
UEMCLite .............................................................................................................................................................6–6
External regulators............................................................................................................................................6–6
Energy management.........................................................................................................................................6–7
Modes of operation...........................................................................................................................................6–8
Voltage limits.....................................................................................................................................................6–8
Audio function description...............................................................................................................................6–8
External audio connector .................................................................................................................................6–9
HALL sensor..................................................................................................................................................... 6–10
Interfaces ............................................................................................................................................................. 6–12
RF and baseband interfaces .......................................................................................................................... 6–12
Analogue Signals............................................................................................................................................ 6–14
LCD interface ................................................................................................................................................... 6–15
Keyboard ......................................................................................................................................................... 6–15
SIM interface ................................................................................................................................................... 6–16
External signals and connections ................................................................................................................. 6–18
Battery connector........................................................................................................................................... 6–18
Battery interface............................................................................................................................................. 6–19
PWB outline .................................................................................................................................................... 6–20
RF description ...................................................................................................................................................... 6–20
Frequency band, power and multi-slot class............................................................................................... 6–20
Transmitter - general description ................................................................................................................ 6–21
Transmitter - signal processing.................................................................................................................... 6–21
Receiver - general description ...................................................................................................................... 6–21
VCXO and PLL................................................................................................................................................... 6–22
List of Tables
Table 8 Voltage limits ............................................................................................................................................6–8
Table 9 Connector for External Audio Accessories ........................................................................................... 6–10
Table 10 AC and DC Characteristics of BB4.0 LiteV2 RF-Base band Digital Signals........................................ 6–12
Table 11 AC and DC Characteristics of RF-Base band Analogue Signals ......................................................... 6–14
Table 12 SIM interface......................................................................................................................................... 6–17
Table 13 System connector ................................................................................................................................ 6–18
Table 14 Battery IF .............................................................................................................................................. 6–18
Table 15 Pin numbering of battery pack .......................................................................................................... 6–19
Table 16 Frequency bands and TX power class................................................................................................ 6–21
Table 17 Multi-slot class ..................................................................................................................................... 6–21
List of Figures
Figure 106 Module block diagram........................................................................................................................6–5
Figure 107 Power connection diagram................................................................................................................6–7
Figure 108 SIM filtering .........................................................................................................................................6–7
Figure 109 Audio block diagram...........................................................................................................................6–9
Figure 110 4-pole jack plug for audio accessory.............................................................................................. 6–10
RM-298; RM-299
System Module
Issue 1 COMPANY CONFIDENTIAL Page 6 –3
Copyright © 2007 Nokia. All rights reserved.
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